Vicidial error

I am getting following error please assist.
I have Asterisk version Asterisk 1.2.17
MY SQL VERSION mysql-4.0.27
I AM NEW TO VICIDIAL NEED DETAIL HELP PLEASE

Warning: mysql_query() [function.mysql-query]: Unable to save result set in /usr/local/apache2/htdocs/vicidial/admin.php on line 1020

Warning: mysql_fetch_row(): supplied argument is not a valid MySQL result resource in /usr/local/apache2/htdocs/vicidial/admin.php on line 1021

Warning: Cannot modify header information - headers already sent by (output started at /usr/local/apache2/htdocs/vicidial/admin.php:1020) in /usr/local/apache2/htdocs/vicidial/admin.php on line 1033

Warning: Cannot modify header information - headers already sent by (output started at /usr/local/apache2/htdocs/vicidial/admin.php:1020) in /usr/local/apache2/htdocs/vicidial/admin.php on line 1034
Invalid Username/Password: |6666|1234|